#include <stdio.h>
#include <stdlib.h>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */
//测试可见性的C语言程序
int daisy;
int main(int argc, char *argv[]) {
	int lily;

	return 0;
}
int petal(){
    extern int daisy;
    extern int lily;


}